HttpServlet 下载图片中文名乱码问题

DOCTYPE web-app PUBLIC
 "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
 "http://java.sun.com/dtd/web-app_2_3.dtd" >

web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
                      http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
         version="4.0"
         metadata-complete="true">
    servlet>
        servlet-name>downloadservlet-name>
        servlet-class>com.study.servlet.FileServletservlet-class>
    servlet>
    servlet-mapping>
        servlet-name>downloadservlet-name>
        url-pattern>/downurl-pattern>
    servlet-mapping>
web-app>

 1 package com.study.servlet;
 2 
 3 import javax.servlet.ServletContext;
 4 import javax.servlet.ServletException;
 5 import javax.servlet.ServletOutputStream;
 6 import javax.servlet.http.HttpServlet;
 7 import javax.servlet.http.HttpServletRequest;
 8 import javax.servlet.http.HttpServletResponse;
 9 import java.io.IOException;
10 import java.io.InputStream;
11 import java.net.URLEncoder;
12 
13 public class FileServlet extends HttpServlet {
14     @Override
15     protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
16         doPost(req, resp);
17     }
18 
19     @Override
20     protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
21         ServletContext context = this.getServletContext();
22         //InputStream in = context.getResourceAsStream("/static/images/11258.jpg");
23         InputStream in = context.getResourceAsStream("/static/images/中文图片名.jpg");
24         ServletOutputStream out = resp.getOutputStream();
25         //通过URLEncoder将中文名进行转码
26         resp.setHeader("Content-Disposition", "attachment; filename="+ URLEncoder.encode("中文图片名.jpg","UTF-8"));
27         byte [] buffer = new byte[1024];
28         int len = 0;
29         while((len = in.read(buffer))!= -1){
30             out.write(buffer,0,len);
31         }
32         in.close();
33         out.close();
34 
35     }
36 }

 1 xml version="1.0" encoding="UTF-8"?>
 2 
 3 project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 5     parent>
 6         artifactId>JavaWebStudyartifactId>
 7         groupId>com.studygroupId>
 8         version>1.0-SNAPSHOTversion>
 9     parent>
10     modelVersion>4.0.0modelVersion>
11 
12     artifactId>servlet-04artifactId>
13     packaging>warpackaging>
14 
15     name>servlet-04 Maven Webappname>
16     
17     url>http://www.example.comurl>
18 
19     properties>
20         project.build.sourceEncoding>UTF-8project.build.sourceEncoding>
21         maven.compiler.source>1.8maven.compiler.source>
22         maven.compiler.target>1.8maven.compiler.target>
23     properties>
24 
25     dependencies>
26         dependency>
27             groupId>javax.servletgroupId>
28             artifactId>javax.servlet-apiartifactId>
29         dependency>
30         dependency>
31             groupId>javax.servlet.jspgroupId>
32             artifactId>jsp-apiartifactId>
33         dependency>
34     dependencies>
35 
36     build>
37         finalName>servlet-04finalName>
38 
39     build>
40 project>